// JavaScript Document

//rollover
function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}

// scroll
$(function(){
	$('#gotop a').click(function(){
		$('#wrapper').ScrollTo(500, 'easeout');
		return false;
	});
});

// current
$(document).ready( function() {
    $("li a").each( function() {
        var url = document.URL.split("#");
        if ( this == url[0] || this + "index.html" == url[0]) {
            $(this).parent().addClass("current");
        }
    });
});

// fontsize
$(function(){
   var currentstyle = readCookie('fontStyle');
   if (currentstyle){
   switchFont(currentstyle);
   };
   $("a.sizeL").click(function(){
   switchFont("fontL");
   return false;
   });
   $("a.sizeM").click(function(){
   switchFont("fontM");
   return false;
   });
   $("a.sizeS").click(function(){
   switchFont("fontS");
   return false;
  });
});
function switchFont(className){
   $("body").removeAttr("class").addClass(className);
   createCookie('fontStyle', className, 365);
};
// cookie script http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days){
   if (days){
   var date = new Date();
   date.setTime(date.getTime()+(days*24*60*60*1000));
   var expires = "; expires="+date.toGMTString();
   }
   else var expires = "";
   document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name){
   var nameEQ = name + "=";
   var ca = document.cookie.split(';');
   for(var i=0;i < ca.length;i++)
   {
   var c = ca[i];
   while (c.charAt(0)==' ') c = c.substring(1,c.length);
   if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
   }
   return null;
}

// popup
window.onload=autoPOP;

function autoPOP()
{
	var x = document.getElementsByTagName('a');
	for (var i=0;i<x.length;i++)
	{
		if (x[i].getAttribute('className') == 'window' || x[i].getAttribute('class') == 'window')
		{
			x[i].onclick = function () {
			return winOpen(this.href)
			}
			x[i].title += '別窓で開きます';
		}
	}
};


function winOpen(url) {
	window.open(
		url,
		'window',
		'width=800,height=700,scrollbars=1,resizable=1'
	);
	return false;
};